Securing device for convertible high chairs



June 11, 1935. I o s E 2,004,648

SECURING DEVICE FOR CONVERTIBLE HIGH CHAIRS Filed April 12. 1954 Patented June 11, 1935 v UNITED STATES t meewes SECURING nnvron non CONVERTIBLE nron oHAiRs Y Ernest L. Bolster, Gardner, Mass, assignor to Chair Town Manufacturing 00., Gardner, Mass, acorporation of Massachusetts Application April 12, 1934, Serial No. 220,264 Claims; (cr es-3s) This invention relates to a convertible high steel orother slightly resilient material, and-are chair and particularly to a. device for securing each preferably provided with reversely bent end certain relatively movable parts of the chair in portions 32 snugly fitting the rect'angularint'eroperative relation. mediate portions 23 and secured thereto by screws 5 It is the general object of my invention to pro- 33 or othersuitable attaching means. i '5 vide an improved securing device for such pur- 'Th'e'latch member 39 at its lower'end is prefer poses, so designed that it may be easily and ecoably formed as indicated in Fig, 3, being pronomically manufactured and that the parts of the vided with an offset'fl'ange'or ledge 34 having a chair secured thereby will be firmly held in the tongue 35 and downfturned guide elements36.

desired operative relation. The lower latch member 3 i has its' upper por- 10 A further object of the-invention is to provide tion bent outwardly as indicated at 4B and is of a construction by which the parts will automatisucnwidth as to enter'easily between the guide cally seat and lock together when placed in opermembers 36. The portion 49 is provided with a ative relation. slot 42 m receive the tongue 35, and the upper I My invention further relates to arrangements endof the portion dll'lis reduced in'lwid'th as indi-' 1'5 and combinations of parts which will be hereincated at 44 (Fig. 2) for easy entrance between after described and more particularly pointed out the g d elements f e p i 46 a ha in the appended claims. i J a portion 'ifi outwardly turned to form a con- A preferred form of the invention is shown in v'enient hand'piece by which the latch members the drawing, in which a maybe disengaged. 20

Fig. 1 is a side elevation, partly in section, of a Wheels 5!) are preferably mounted on the rear convertible high chair embodying my imp-rovelegs of the lower frame portion l4, saidwheels'fill ments; engagingthe floor when the portion Hl isin- Fig. 2 is an enlarged detail view, looking in the verted and preventing such engagement of the 5 direction of the arrow 2 in Fig. 1; v lower latch member 3!. p 1

Figs. 3 and 4 are partial perspective views-of the Having described the construction of my intwomembers constituting the securing device, and proved securing device for a convertible high Fig. 5 is an enlarged side elevation of certain chair, the operation and advantages thereof will parts and illustrating the operation of the securbe readily apparent. As the parts are moved toing device. ward-operativerelation, indicated by the'arrow 3 Referring to the drawing, I have shown a high at in Fig'. 5, the portion 49 of the lower latch memchair of a commercial type comprising a seat l0 ber 3i enters between the guide elements 36 and mounted on a frame having an upper portion I2 is yieldingly pushed outward until the tongue and a lower portion M. The frame portions I2 is aligned with the slot 42, at which time-the 5 and I4 are connected at one side by hinges 15 parts snap into the locking relation indicated 35 which permit the lower portion Hi to be inverted in Figs. 1 and 2 and are securely held from diswhen it is desired to use the chair in its lowered placement until manually separated. position. The bottom member N5 of the lower My improved securing device is not only simple portion I4 is preferably made in the form of a in construction but is particularly reliable. in

4 tray which comes into position for use when the use, and accidental displacement or separation portion I4 is inverted. of the parts is effectively prevented.

My p n invention r a s pa ti ularly to Having thus described my invention and the e s f Securing e portions l2 and I4 in the advantages thereof, I do not wish to be limited Operative relation ated in Fig. 1. For this to the details herein disclosed, otherwise than pu pose I provide cr ss r unds and 2 in the as set forth in the claims, but what I claim is:- 45 rea S e Of e frame portions I2 and I4 and 1. A convertible high chair having upper and pp to the hinges These rounds a fi mly lower frame parts hinged together at one side, Secured from turning in the frame portions l2 each frame part having a cross round at the opand as by pins or dowels 22 (Fig. 2), and are posite side and each frame part having portions 50 preferably provided with square or non-circular projecting beyond its respective cross round and 50 intermediate portions 23 to which the parts of abutting corresponding portions of said other the securing device may be attached. frame part, whereby said rounds are spaced ver- The securing device comprises an upper latch tioally when the frame parts are assembled in member 30 and a lower latch member 3|. The operative relation, a pair of latch ,members members 30 and 31 are preferably formed of sheet mounted on said cross, rounds and projecting 55 toward each other for engagement in the space between said cross rounds to collectively form a securing device, one of said latch members having a tongue and the'other having a slot receiving said tongue as one of said frame parts is swung to operative position relative tothe other frame part, thereby securely locking said frame parts together, and means on the projecting portions of one of said frame parts overlapping the projecting portions of the other frame part, said latch members lying within and being engaged within the confines of said overlap. V

2. A convertible high chair havingupper and lower frame parts hinged together at one side, each frame part having a cross round at the opposite side and each frame part having portions projecting beyond its respective cross round and abutting corresponding portions of said other,

' frame part and thereby securely locking said projecting beyond its respective cross round and abutting corresponding portions of said other frame part, whereby said rounds are spaced vertically when the frame parts are assembled in operative relation, a pair of slightly resilient sheet metal latch members mounted on said cross rounds and projecting toward each other for engagement in the space between said cross rounds to collectively form a securing device, one of said reach assembled operative position and securely in and being engaged within the confines of said overlap.

4. A convertible high chair having upper and lower frame'parts hinged together at; one side,

each framepart having a cross'round-at the opposite side with a non-circular intermediate portion and each frame part having portions projecting beyond its respective cross round and abutting corresponding portions of said other frame part, whereby said rounds are spaced vertically when the frame parts are assembled in operative relation, a pair of slightly resilient sheet metal latch members mounted on and secured to said intermediate portions of said cross rounds and projecting toward each other for engagement in the space between said cross rounds to collectively form a securing device, one of saidlatch members :having a tongue and. the, other having a slot in which said tongue enters as said frame parts reach assembled operative position,,thereby securely locking said frame parts-together; and means on the projecting portions of one of said frame parts overlapping the projecting portions of the other framepart, said latch members lying within andbeing engaged withinthe confines of said overlap. J J

5. A vconvertible high chair having upper and lower frame parts hinged together at one side,

each frameparthaving a framemember atthe opposite side and having portions projecting beyond said; frame member; and abutting corresponding portions of i said other" frame part,

whereby said-frame members are spaced verti-- cally when the frame parts are assembled in operative relation, and a pair of latch members mounted respectively on saidupper'and'lower frame members and projecting-towardeach other for engagement in the space between said frame members to collectively form a'securing device, one of said latch members. having a tongue and the other having a slot receiving said tongue-as one of-said frame parts is swung tooperative position relative to the other frame part-thereby securely locking said frameparts togethen'and means ontheprojecting portions of one; of said frame parts overlapping the projecting portions on ,the other frame part, saidlatch; members lying within andbeingengaged-within the-confines of sa o'verlap-v t l s ERNEST- L. BOLSTER. 

